Merge branch 'stable-3.0' into stable-3.1

* stable-3.0:
  Bump Bazel version to 3.4.1
  Upgrade bazlets to latest stable-2.16

Change-Id: Id33b768be67e801466f1530244e54469d6f285a3
tree: 11c067db19a5a476c33a2c81efdcbfd615bec088
  1. .settings/
  2. src/
  3. .bazelignore
  4. .bazelversion
  5. bazlets.bzl
  6. BUILD
  7. LICENSE